子どもの甲状腺の結節症

M L Rallison, B M Dobyns, F R Keating

JAMA

|September 18, 1975

まとめ

放射線被曝後に調査された子供の1.8%で甲状腺の結節が発見されました. ほとんどの症例は良性であったが,2つの悪性腫瘍が特定され,小児の甲状腺の健康を監視することの重要性を強調した.

科学分野:

環境衛生環境衛生環境衛生
小児内分泌学について
核医学は,核医学である.

背景:

放射線被曝後の小児における甲状腺の異常を評価することは,公衆衛生にとって極めて重要です.
以前の研究では,放射性降下物と甲状腺疾患の間の潜在的な関連が示されました.

研究の目的:

放射性降下物にさらされた小学生における甲状腺異常,特に結節性の有病率を決定する.
小児集団における甲状腺結節に関連する悪性腫瘍リスクを評価する.

主な方法:

ユタ州,ネバダ州,アリゾナ州で5,179人の学童を対象に調査が行われました.
甲状腺の検査は,結節,,甲状腺炎,腫瘍を特定するために行われました.

主要な成果:

甲状腺の結節は,調査対象の98人 (1.8%) の子供で検出されました.
結節性症例のうち,34例が青春期の,31例が甲状腺炎と関連していた.
甲状腺の2つの悪性腫瘍が発見され,偶発的に発見された小児甲状腺ノドルの悪性腫瘍のリスクが2%であることを示しました.

結論:

放射性降下物からの放射線被曝は,小児における甲状腺の結節形成に寄与する可能性があります.
離散の結節,質量の増加,奇異性,その他の甲状腺疾患の欠如などの要因は,小児甲状腺結節のさらなる調査を保証します.
早期発見とモニタリングは,放射線にさらされた子供の甲状腺異常の管理に不可欠です.

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